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    Re: Position lines, crossing.
    From: John Cole
    Date: 2006 Dec 12, 15:49 -0800

    Here is the problem that Guy Schwartz asked about and which gave rise
    to this very interesting discussion about cocked hats. It is problem
    3-2, p. 22, in "100 Problems in Celestial Navigation" by Leonard Gray
    (1999, Celestaire, Inc.).
    
    1993 May 14
    0602 fix  40 31N, 153 08W
    C=185
    S=3.6
    I.C. -1.0
    Ht. eye 8 ft.
    Alpheratz 14h  28m 17s GMT  Hs=36  05.1
    Kochab 14h  29m  52s  Hs=42  40.1
    Rasalhague 14h 31m 20s   Hs =49  54.2
    Altair 14h 33m 01s  Hs=58  56.1
    Venus 14h 37m 04s  Hs=16 18.6
    Moon LL 14h 39m 33s  Hs=33 15.8
    
    Question: What is 14 May 1440 fix? How reliable is it?
    Answer: 14 01N, 153 09W.
    
    John Cole
    
    
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